답안 #709826

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
709826	2023-03-14T15:03:36 Z	rainboy	Self Study (JOI22_ho_t2)	C	100 / 100	238 ms	9008 KB

Main

#include <stdio.h>

#define N	300000
#define INF	0x3f3f3f3f3f3f3f3fLL

int max(int a, int b) { return a > b ? a : b; }

int solve(int *aa, int *bb, int n, int m, long long s) {
	int i;
	long long k_, k;

	k_ = (long long) n * m;
	for (i = 0; i < n; i++) {
		k = s <= (long long) aa[i] * m ? (s + aa[i] - 1) / aa[i] : m + (s - (long long) aa[i] * m + bb[i] - 1) / bb[i];
		if (k_ < k)
			return 0;
		k_ -= k;
	}
	return 1;
}

int main() {
	static int aa[N], bb[N];
	int n, m, i;
	long long lower, upper;

	scanf("%d%d", &n, &m);
	for (i = 0; i < n; i++)
		scanf("%d", &aa[i]);
	for (i = 0; i < n; i++) {
		scanf("%d", &bb[i]);
		aa[i] = max(aa[i], bb[i]);
	}
	lower = 0, upper = INF;
	while (upper - lower > 1) {
		long long s = (lower + upper) / 2;

		if (solve(aa, bb, n, m, s))
			lower = s;
		else
			upper = s;
	}
	printf("%lld\n", lower);
	return 0;
}

Compilation message

Main.c: In function 'main':
Main.c:27:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |  scanf("%d%d", &n, &m);
      |  ^~~~~~~~~~~~~~~~~~~~~
Main.c:29:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |   scanf("%d", &aa[i]);
      |   ^~~~~~~~~~~~~~~~~~~
Main.c:31:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |   scanf("%d", &bb[i]);
      |   ^~~~~~~~~~~~~~~~~~~

Subtask #1

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	292 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	2 ms	340 KB	Output is correct
11	Correct	123 ms	8312 KB	Output is correct
12	Correct	123 ms	8336 KB	Output is correct
13	Correct	125 ms	6392 KB	Output is correct
14	Correct	99 ms	6380 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	55 ms	3684 KB	Output is correct
17	Correct	123 ms	9000 KB	Output is correct
18	Correct	126 ms	8384 KB	Output is correct

Subtask #2

25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	55 ms	3684 KB	Output is correct
3	Correct	123 ms	9000 KB	Output is correct
4	Correct	126 ms	8384 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	292 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	296 KB	Output is correct
13	Correct	79 ms	4348 KB	Output is correct
14	Correct	44 ms	2992 KB	Output is correct
15	Correct	32 ms	2252 KB	Output is correct
16	Correct	24 ms	1876 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	2 ms	340 KB	Output is correct
23	Correct	3 ms	340 KB	Output is correct

Subtask #3

27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	292 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	2 ms	340 KB	Output is correct
11	Correct	123 ms	8312 KB	Output is correct
12	Correct	123 ms	8336 KB	Output is correct
13	Correct	125 ms	6392 KB	Output is correct
14	Correct	99 ms	6380 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	292 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	296 KB	Output is correct
23	Correct	79 ms	4348 KB	Output is correct
24	Correct	44 ms	2992 KB	Output is correct
25	Correct	32 ms	2252 KB	Output is correct
26	Correct	24 ms	1876 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	1 ms	212 KB	Output is correct
32	Correct	2 ms	340 KB	Output is correct
33	Correct	3 ms	340 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	55 ms	3684 KB	Output is correct
36	Correct	123 ms	9000 KB	Output is correct
37	Correct	126 ms	8384 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	0 ms	292 KB	Output is correct
40	Correct	1 ms	212 KB	Output is correct
41	Correct	0 ms	296 KB	Output is correct
42	Correct	0 ms	212 KB	Output is correct
43	Correct	0 ms	296 KB	Output is correct
44	Correct	1 ms	292 KB	Output is correct
45	Correct	3 ms	340 KB	Output is correct
46	Correct	5 ms	468 KB	Output is correct
47	Correct	1 ms	212 KB	Output is correct
48	Correct	20 ms	1668 KB	Output is correct
49	Correct	0 ms	212 KB	Output is correct
50	Correct	1 ms	288 KB	Output is correct
51	Correct	3 ms	340 KB	Output is correct
52	Correct	0 ms	212 KB	Output is correct
53	Correct	1 ms	212 KB	Output is correct
54	Correct	1 ms	212 KB	Output is correct
55	Correct	60 ms	4308 KB	Output is correct
56	Correct	41 ms	2324 KB	Output is correct
57	Correct	39 ms	2300 KB	Output is correct

Subtask #4

29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	292 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	296 KB	Output is correct
9	Correct	79 ms	4348 KB	Output is correct
10	Correct	44 ms	2992 KB	Output is correct
11	Correct	32 ms	2252 KB	Output is correct
12	Correct	24 ms	1876 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	2 ms	340 KB	Output is correct
19	Correct	3 ms	340 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	55 ms	3684 KB	Output is correct
22	Correct	123 ms	9000 KB	Output is correct
23	Correct	126 ms	8384 KB	Output is correct
24	Correct	32 ms	1452 KB	Output is correct
25	Correct	82 ms	3924 KB	Output is correct
26	Correct	17 ms	1144 KB	Output is correct
27	Correct	118 ms	8384 KB	Output is correct
28	Correct	118 ms	8524 KB	Output is correct
29	Correct	128 ms	8368 KB	Output is correct
30	Correct	159 ms	8384 KB	Output is correct
31	Correct	228 ms	8304 KB	Output is correct
32	Correct	139 ms	3892 KB	Output is correct
33	Correct	229 ms	9008 KB	Output is correct
34	Correct	128 ms	3668 KB	Output is correct

Subtask #5

9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	292 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	2 ms	340 KB	Output is correct
11	Correct	123 ms	8312 KB	Output is correct
12	Correct	123 ms	8336 KB	Output is correct
13	Correct	125 ms	6392 KB	Output is correct
14	Correct	99 ms	6380 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	292 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	1 ms	296 KB	Output is correct
23	Correct	79 ms	4348 KB	Output is correct
24	Correct	44 ms	2992 KB	Output is correct
25	Correct	32 ms	2252 KB	Output is correct
26	Correct	24 ms	1876 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	1 ms	212 KB	Output is correct
32	Correct	2 ms	340 KB	Output is correct
33	Correct	3 ms	340 KB	Output is correct
34	Correct	1 ms	212 KB	Output is correct
35	Correct	0 ms	292 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	0 ms	296 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	0 ms	296 KB	Output is correct
40	Correct	1 ms	292 KB	Output is correct
41	Correct	3 ms	340 KB	Output is correct
42	Correct	5 ms	468 KB	Output is correct
43	Correct	1 ms	212 KB	Output is correct
44	Correct	20 ms	1668 KB	Output is correct
45	Correct	0 ms	212 KB	Output is correct
46	Correct	1 ms	288 KB	Output is correct
47	Correct	3 ms	340 KB	Output is correct
48	Correct	0 ms	212 KB	Output is correct
49	Correct	1 ms	212 KB	Output is correct
50	Correct	1 ms	212 KB	Output is correct
51	Correct	60 ms	4308 KB	Output is correct
52	Correct	41 ms	2324 KB	Output is correct
53	Correct	39 ms	2300 KB	Output is correct
54	Correct	32 ms	1452 KB	Output is correct
55	Correct	82 ms	3924 KB	Output is correct
56	Correct	17 ms	1144 KB	Output is correct
57	Correct	118 ms	8384 KB	Output is correct
58	Correct	118 ms	8524 KB	Output is correct
59	Correct	128 ms	8368 KB	Output is correct
60	Correct	159 ms	8384 KB	Output is correct
61	Correct	228 ms	8304 KB	Output is correct
62	Correct	139 ms	3892 KB	Output is correct
63	Correct	229 ms	9008 KB	Output is correct
64	Correct	128 ms	3668 KB	Output is correct
65	Correct	1 ms	212 KB	Output is correct
66	Correct	55 ms	3684 KB	Output is correct
67	Correct	123 ms	9000 KB	Output is correct
68	Correct	126 ms	8384 KB	Output is correct
69	Correct	24 ms	1108 KB	Output is correct
70	Correct	7 ms	468 KB	Output is correct
71	Correct	0 ms	212 KB	Output is correct
72	Correct	35 ms	1452 KB	Output is correct
73	Correct	9 ms	468 KB	Output is correct
74	Correct	2 ms	304 KB	Output is correct
75	Correct	132 ms	8380 KB	Output is correct
76	Correct	132 ms	8420 KB	Output is correct
77	Correct	158 ms	8484 KB	Output is correct
78	Correct	179 ms	8480 KB	Output is correct
79	Correct	229 ms	8396 KB	Output is correct
80	Correct	238 ms	8420 KB	Output is correct
81	Correct	221 ms	6428 KB	Output is correct
82	Correct	170 ms	6416 KB	Output is correct